Words to Describe allocator

How allocator often is described ("________ allocator")

• principal
• single
• simple
• chief
• central
• primary
• end
• safe
• tactical
• purpose
• unfair
• important
• perfect
• main
• internal
• equal
• down
• general
• fast
• centralized
• based
• better
• inefficient
• best
• basic
• sole
• linear
• new
• coloring
• authoritative
• two
• hybrid
• global
• effective
• underlying
• good
• prime
• dynamic
• poor
• efficient
• major
• standard
• local
• rational
• get
• level